Tricks: Blogger: 06 Email Verification Script in PHP

Email Verification Script in PHP
I received lots tutorial requests from my readers in that almost all of these requested to me, the best way to execute PHP Email Verification Script. That is really essential tutorial described the best way to generate appropriate and database activation code. Executed with mysqli_() fuctions, because mysql_() functions are depreciated.

PHP Email Verification Script

Follow below steps to create Email Verification Script in PHP. You can create your own PHP Email Verification scripts as your requirement. You can add all data in your php file folder or download already created file at the end of the post:

Database

Create database which contains four columns uid, email, password, activation and status.

CREATE TABLE IF NOT EXISTS `users` (
`uid` int(11) NOT NULL AUTO_INCREMENT,
`email` varchar(300) NOT NULL UNIQUE,
`password` varchar(300) NOT NULL,
`activation` varchar(300) NOT NULL UNIQUE,
`status` enum('0','1') NOT NULL DEFAULT '0',
PRIMARY KEY (`uid`)
)

HTML Code

<form action="" method="post">
<label>Email</label>
<input type="text" name="email" class="input" autocomplete="off"/>
<label>Password </label>
<input type="password" name="password" class="input" autocomplete="off"/><br/>
<input type="submit" class="button" value="Registration" />
<span class='msg'><?php echo $msg; ?></span>
</form> 

db.php

Create database contain file with your database username and password.

<?php
define('DB_SERVER', 'localhost');
define('DB_USERNAME', 'username');
define('DB_PASSWORD', 'password');
define('DB_DATABASE', 'database');
$connection = @mysqli_connect(DB_SERVER,DB_USERNAME,DB_PASSWORD,DB_DATABASE);
$base_url='http://www.youwebsite.com/email_activation/';
?>

index.php

<?php
include 'db.php';
$msg='';
if(!empty($_POST['email']) && isset($_POST['email']) && !empty($_POST['password']) &&  isset($_POST['password']) )
{
// username and password sent from form
$email=mysqli_real_escape_string($connection,$_POST['email']);
$password=mysqli_real_escape_string($connection,$_POST['password']);
// regular expression for email check
$regex = '/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$/';
if(preg_match($regex, $email))
{
$password=md5($password); // encrypted password
$activation=md5($email.time()); // encrypted email+timestamp
$count=mysqli_query($connection,"SELECT uid FROM users WHERE email='$email'");
// email check
if(mysqli_num_rows($count) < 1)
{
mysqli_query($connection,"INSERT INTO users(email,password,activation) VALUES('$email','$password','$activation')");
// sending email
include 'smtp/Send_Mail.php';
$to=$email;
$subject="Email verification";
$body='Hi, <br/> <br/> We need to make sure you are human. Please verify your email and get started using your Website account. <br/> <br/> <a href="'.$base_url.'activation/'.$activation.'">'.$base_url.'activation/'.$activation.'</a>';
Send_Mail($to,$subject,$body);
$msg= "Registration successful, please activate email.";
}
else
{
$msg= 'The email is already taken, please try new.';
}
}
else
{
$msg = 'The email you have entered is invalid, please try again.';
}
}
// HTML Part
?>

Send_Mail.php

<?php
function Send_Mail($to,$subject,$body)
{
require 'class.phpmailer.php';
$from       = "from@yourwebsite.com";
$mail       = new PHPMailer();
$mail->IsSMTP(true);            // use SMTP
$mail->IsHTML(true);
$mail->SMTPAuth   = true;                  // enable SMTP authentication
$mail->Host       = "tls://smtp.yourwebsite.com"; // SMTP host
$mail->Port       =  465;                    // set the SMTP port
$mail->Username   = "SMTP_Username";  // SMTP  username
$mail->Password   = "SMTP_Password";  // SMTP password
$mail->SetFrom($from, 'From Name');
$mail->AddReplyTo($from,'From Name');
$mail->Subject    = $subject;
$mail->MsgHTML($body);
$address = $to;
$mail->AddAddress($address, $to);
$mail->Send();
}
?>

activation.php

<?phpinclude 'db.php';$msg='';if(!empty($_GET['code']) && isset($_GET['code'])){$code=mysqli_real_escape_string($connection,$_GET['code']);$c=mysqli_query($connection,"SELECT uid FROM users WHERE activation='$code'");
if(mysqli_num_rows($c) > 0){$count=mysqli_query($connection,"SELECT uid FROM users WHERE activation='$code' and status='0'");
if(mysqli_num_rows($count) == 1){mysqli_query($connection,"UPDATE users SET status='1' WHERE activation='$code'");$msg="Your account is activated"; }else{$msg ="Your account is already active, no need to activate again";}
}else{$msg ="Wrong activation code.";}
}?>//HTML Part<?php echo $msg; ?>

htaccess

RewriteEngine On
RewriteRule ^activation/([a-zA-Z0-9_-]+)$ activation.php?code=$1
RewriteRule ^activation/([a-zA-Z0-9_-]+)/$ activation.php?code=$1

CSS code

body{font-family: "Helvetica",Arial,sans-serif;font-weight: 500;color:#333;}label{width:100px;display:block;font-weight:bold;color:#666666;}#main{margin:0 auto;width:800px;}.input{padding:10px;font-size:14px;border:1px solid #999999;width:200px;margin-bottom:10px;}.button {padding:10px;background-color: #5fcf80 !important;border-color: #3ac162 !important;}.msg{font-size:11px;color:#666;padding:10px;}